160 Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
750-489 4AI RTD/TC/Strain Gauge Ex i
Manual
Version 1.1.0, valid from FW Version 02
11.1.2 Marking for the United States of America (NEC) and Canada
(CEC)
Figure 43: Marking Example According to NEC
Figure 44: Text Detail – Marking Example According to NEC 500
Table 159: Description of Marking Example According to NEC 500
Marking
Description
CL I
Explosion protection (gas group)
DIV 2
Area of application
Grp. A B C D
Explosion group (gas group)
op temp code T4
Temperature class